dimethyl N-<4-<2-(2-amino-1,4-dihydro-5-methyl-4-oxopyrido<2,3-d>pyrimidin-6-yl)ethenyl>benzoyl>-L-glutamate 在
platinum(IV) oxide 盐酸 、
氢气 作用下,
以
甲醇 为溶剂,
反应 18.0h,
以170 mg的产率得到2-{4-[2-(2-Amino-5-methyl-4-oxo-3,4,5,6,7,8-hexahydro-pyrido[2,3-d]pyrimidin-6-yl)-ethyl]-benzoylamino}-pentanedioic acid dimethyl ester